(under subclass 912) Subject matter wherein the reflector or director is composed of relatively movable parts for collapsing, folding or adjusting the reflector or director; so that it may occupy a smaller space or the curvature of its surface may be changed, or its electrical characteristics may be varied.
SEE OR SEARCH THIS CLASS, SUBCLASS:
723, for single adjustable length electrically long linear antennas.
823, for adjustable length balanced doublet antennas.
868, and 871, for loop antennas of adjustable configuration and having collapsible frames, respectively.
880+, for antennas with adjustable or collapsible supports. 901+, for telescoping rod type antennas.